Function at drivers/media/dvb/frontends/si21xx.c, line 229 References: drivers/media/dvb/frontends/si21xx.c, line 229 drivers/media/dvb/frontends/si21xx.c, line 377 drivers/media/dvb/frontends/si21xx.c, line 399 drivers/media/dvb/frontends/si21xx.c, line 406 drivers/media/dvb/frontends/si21xx.c, line 496 drivers/media/dvb/frontends/si21xx.c, line 501 drivers/media/dvb/frontends/si21xx.c, line 530 drivers/media/dvb/frontends/si21xx.c, line 665 drivers/media/dvb/frontends/si21xx.c, line 672 drivers/media/dvb/frontends/si21xx.c, line 679 drivers/media/dvb/frontends/si21xx.c, line 683 drivers/media/dvb/frontends/si21xx.c, line 686 drivers/media/dvb/frontends/si21xx.c, line 689 drivers/media/dvb/frontends/si21xx.c, line 853 drivers/media/dvb/frontends/si21xx.c, line 870